https://bugs.kde.org/show_bug.cgi?id=360752
--- Comment #2 from Ivo Raisr <iv...@ivosh.net> ---
Here is a summary of file descriptors owned specifically by Valgrind
during gdbserver_tests/nlpasssigalrm test execution, when fork_sys syscall
wrapper is executing.
256: S_IFREG: .../valgrind/gdbserver_tests/passsigalrm
257: S_IFREG: fake /proc/<pid>/cmdline
258: S_IFREG: fake /proc/<pid>/auxv
259: S_IFREG: fake /proc/<pid>/psinfo
260: S_IFCHR: /dev/pts/1
261+262: S_IFIFO: big lock pipe
263: S_IFIFO:
.../valgrind/vgdb-prefix-nlpasssigalrm-from-vgdb-to-3782-by-tester1-on-???
264: S_IFIFO:
.../valgrind/vgdb-prefix-nlpasssigalrm-to-vgdb-from-3782-by-tester1-on-???
265+266: S_IFIFO: pipe to a child process during vfork()
Full list:
256: S_IFREG mode:0755 dev:279,65545 ino:92562 uid:101 gid:10 size:15600
O_RDONLY|O_LARGEFILE FD_CLOEXEC
/export/home/tester1/valgrind/gdbserver_tests/passsigalrm
offset:0
257: S_IFREG mode:0600 dev:587,2 ino:51603298 uid:101 gid:10 size:30
O_RDWR|O_CREAT|O_TRUNC|O_EXCL|O_LARGEFILE FD_CLOEXEC
258: S_IFREG mode:0600 dev:587,2 ino:51603242 uid:101 gid:10 size:160
O_RDWR|O_CREAT|O_TRUNC|O_EXCL|O_LARGEFILE FD_CLOEXEC
259: S_IFREG mode:0600 dev:587,2 ino:51559981 uid:101 gid:10 size:0
O_RDWR|O_CREAT|O_TRUNC|O_EXCL|O_LARGEFILE FD_CLOEXEC
260: S_IFCHR mode:0620 dev:582,0 ino:41169506 uid:101 gid:7 rdev:182,1
O_RDWR|O_NOCTTY|O_LARGEFILE FD_CLOEXEC
/dev/pts/1
261: S_IFIFO mode:0000 dev:579,0 ino:3266 uid:101 gid:10 size:0
O_RDWR FD_CLOEXEC
262: S_IFIFO mode:0000 dev:579,0 ino:3266 uid:101 gid:10 size:0
O_RDWR FD_CLOEXEC
263: S_IFIFO mode:0600 dev:279,65545 ino:90549 uid:101 gid:10 size:0
O_RDONLY|O_LARGEFILE FD_CLOEXEC
/export/home/tester1/valgrind/vgdb-prefix-nlpasssigalrm-from-vgdb-to-3782-by-tester1-on-???
264: S_IFIFO mode:0600 dev:279,65545 ino:90548 uid:101 gid:10 size:0
O_WRONLY|O_LARGEFILE FD_CLOEXEC
/export/home/tester1/valgrind/vgdb-prefix-nlpasssigalrm-to-vgdb-from-3782-by-tester1-on-???
265: S_IFIFO mode:0000 dev:579,0 ino:3267 uid:101 gid:10 size:0
O_RDWR FD_CLOEXEC
266: S_IFIFO mode:0000 dev:579,0 ino:3267 uid:101 gid:10 size:0
O_RDWR FD_CLOEXEC
So you can see 11 of them are currently used. Adding one to make them 12
reserved is a precaution for future.
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